mirror of https://github.com/zulip/zulip.git
1542 lines
58 KiB
Python
1542 lines
58 KiB
Python
# See https://zulip.readthedocs.io/en/latest/subsystems/notifications.html
|
|
|
|
import asyncio
|
|
import base64
|
|
import copy
|
|
import logging
|
|
import re
|
|
from dataclasses import dataclass
|
|
from email.headerregistry import Address
|
|
from functools import cache
|
|
from typing import (
|
|
TYPE_CHECKING,
|
|
Any,
|
|
Dict,
|
|
Iterable,
|
|
List,
|
|
Mapping,
|
|
Optional,
|
|
Sequence,
|
|
Tuple,
|
|
Type,
|
|
Union,
|
|
)
|
|
|
|
import lxml.html
|
|
import orjson
|
|
from django.conf import settings
|
|
from django.db import transaction
|
|
from django.db.models import F, Q
|
|
from django.utils.timezone import now as timezone_now
|
|
from django.utils.translation import gettext as _
|
|
from django.utils.translation import override as override_language
|
|
from firebase_admin import App as FCMApp
|
|
from firebase_admin import credentials as firebase_credentials
|
|
from firebase_admin import exceptions as firebase_exceptions
|
|
from firebase_admin import initialize_app as firebase_initialize_app
|
|
from firebase_admin import messaging as firebase_messaging
|
|
from firebase_admin.messaging import UnregisteredError as FCMUnregisteredError
|
|
from typing_extensions import TypeAlias, override
|
|
|
|
from analytics.lib.counts import COUNT_STATS, do_increment_logging_stat
|
|
from zerver.actions.realm_settings import (
|
|
do_set_push_notifications_enabled_end_timestamp,
|
|
do_set_realm_property,
|
|
)
|
|
from zerver.lib.avatar import absolute_avatar_url, get_avatar_for_inaccessible_user
|
|
from zerver.lib.display_recipient import get_display_recipient
|
|
from zerver.lib.emoji_utils import hex_codepoint_to_emoji
|
|
from zerver.lib.exceptions import ErrorCode, JsonableError
|
|
from zerver.lib.message import access_message_and_usermessage, direct_message_group_users
|
|
from zerver.lib.notification_data import get_mentioned_user_group
|
|
from zerver.lib.remote_server import (
|
|
record_push_notifications_recently_working,
|
|
send_json_to_push_bouncer,
|
|
send_server_data_to_push_bouncer,
|
|
send_to_push_bouncer,
|
|
)
|
|
from zerver.lib.soft_deactivation import soft_reactivate_if_personal_notification
|
|
from zerver.lib.tex import change_katex_to_raw_latex
|
|
from zerver.lib.timestamp import datetime_to_timestamp
|
|
from zerver.lib.url_decoding import is_same_server_message_link
|
|
from zerver.lib.users import check_can_access_user
|
|
from zerver.models import (
|
|
AbstractPushDeviceToken,
|
|
ArchivedMessage,
|
|
Message,
|
|
PushDeviceToken,
|
|
Realm,
|
|
Recipient,
|
|
Stream,
|
|
UserMessage,
|
|
UserProfile,
|
|
)
|
|
from zerver.models.realms import get_fake_email_domain
|
|
from zerver.models.scheduled_jobs import NotificationTriggers
|
|
from zerver.models.users import get_user_profile_by_id
|
|
|
|
if TYPE_CHECKING:
|
|
import aioapns
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
if settings.ZILENCER_ENABLED:
|
|
from zilencer.models import RemotePushDeviceToken, RemoteZulipServer
|
|
|
|
DeviceToken: TypeAlias = Union[PushDeviceToken, "RemotePushDeviceToken"]
|
|
|
|
|
|
# We store the token as b64, but apns-client wants hex strings
|
|
def b64_to_hex(data: str) -> str:
|
|
return base64.b64decode(data).hex()
|
|
|
|
|
|
def hex_to_b64(data: str) -> str:
|
|
return base64.b64encode(bytes.fromhex(data)).decode()
|
|
|
|
|
|
def get_message_stream_name_from_database(message: Message) -> str:
|
|
"""
|
|
Never use this function outside of the push-notifications
|
|
codepath. Most of our code knows how to get streams
|
|
up front in a more efficient manner.
|
|
"""
|
|
stream_id = message.recipient.type_id
|
|
return Stream.objects.get(id=stream_id).name
|
|
|
|
|
|
class UserPushIdentityCompat:
|
|
"""Compatibility class for supporting the transition from remote servers
|
|
sending their UserProfile ids to the bouncer to sending UserProfile uuids instead.
|
|
|
|
Until we can drop support for receiving user_id, we need this
|
|
class, because a user's identity in the push notification context
|
|
may be represented either by an id or uuid.
|
|
"""
|
|
|
|
def __init__(self, user_id: Optional[int] = None, user_uuid: Optional[str] = None) -> None:
|
|
assert user_id is not None or user_uuid is not None
|
|
self.user_id = user_id
|
|
self.user_uuid = user_uuid
|
|
|
|
def filter_q(self) -> Q:
|
|
"""
|
|
This aims to support correctly querying for RemotePushDeviceToken.
|
|
If only one of (user_id, user_uuid) is provided, the situation is trivial,
|
|
If both are provided, we want to query for tokens matching EITHER the
|
|
uuid or the id - because the user may have devices with old registrations,
|
|
so user_id-based, as well as new registration with uuid. Notifications
|
|
naturally should be sent to both.
|
|
"""
|
|
if self.user_id is not None and self.user_uuid is None:
|
|
return Q(user_id=self.user_id)
|
|
elif self.user_uuid is not None and self.user_id is None:
|
|
return Q(user_uuid=self.user_uuid)
|
|
else:
|
|
assert self.user_id is not None and self.user_uuid is not None
|
|
return Q(user_uuid=self.user_uuid) | Q(user_id=self.user_id)
|
|
|
|
@override
|
|
def __str__(self) -> str:
|
|
result = ""
|
|
if self.user_id is not None:
|
|
result += f"<id:{self.user_id}>"
|
|
if self.user_uuid is not None:
|
|
result += f"<uuid:{self.user_uuid}>"
|
|
|
|
return result
|
|
|
|
@override
|
|
def __eq__(self, other: object) -> bool:
|
|
if isinstance(other, UserPushIdentityCompat):
|
|
return self.user_id == other.user_id and self.user_uuid == other.user_uuid
|
|
return False
|
|
|
|
|
|
#
|
|
# Sending to APNs, for iOS
|
|
#
|
|
|
|
|
|
@dataclass
|
|
class APNsContext:
|
|
apns: "aioapns.APNs"
|
|
loop: asyncio.AbstractEventLoop
|
|
|
|
|
|
def has_apns_credentials() -> bool:
|
|
return settings.APNS_TOKEN_KEY_FILE is not None or settings.APNS_CERT_FILE is not None
|
|
|
|
|
|
@cache
|
|
def get_apns_context() -> Optional[APNsContext]:
|
|
# We lazily do this import as part of optimizing Zulip's base
|
|
# import time.
|
|
import aioapns
|
|
|
|
if not has_apns_credentials(): # nocoverage
|
|
return None
|
|
|
|
# NB if called concurrently, this will make excess connections.
|
|
# That's a little sloppy, but harmless unless a server gets
|
|
# hammered with a ton of these all at once after startup.
|
|
loop = asyncio.new_event_loop()
|
|
|
|
# Defining a no-op error-handling function overrides the default
|
|
# behaviour of logging at ERROR level whenever delivery fails; we
|
|
# handle those errors by checking the result in
|
|
# send_apple_push_notification.
|
|
async def err_func(
|
|
request: aioapns.NotificationRequest, result: aioapns.common.NotificationResult
|
|
) -> None:
|
|
pass # nocoverage
|
|
|
|
async def make_apns() -> aioapns.APNs:
|
|
return aioapns.APNs(
|
|
client_cert=settings.APNS_CERT_FILE,
|
|
key=settings.APNS_TOKEN_KEY_FILE,
|
|
key_id=settings.APNS_TOKEN_KEY_ID,
|
|
team_id=settings.APNS_TEAM_ID,
|
|
max_connection_attempts=APNS_MAX_RETRIES,
|
|
use_sandbox=settings.APNS_SANDBOX,
|
|
err_func=err_func,
|
|
# The actual APNs topic will vary between notifications,
|
|
# so we set it there, overriding any value we put here.
|
|
# We can't just leave this out, though, because then
|
|
# the constructor attempts to guess.
|
|
topic="invalid.nonsense",
|
|
)
|
|
|
|
apns = loop.run_until_complete(make_apns())
|
|
return APNsContext(apns=apns, loop=loop)
|
|
|
|
|
|
def modernize_apns_payload(data: Mapping[str, Any]) -> Mapping[str, Any]:
|
|
"""Take a payload in an unknown Zulip version's format, and return in current format."""
|
|
# TODO this isn't super robust as is -- if a buggy remote server
|
|
# sends a malformed payload, we are likely to raise an exception.
|
|
if "message_ids" in data:
|
|
# The format sent by 1.6.0, from the earliest pre-1.6.0
|
|
# version with bouncer support up until 613d093d7 pre-1.7.0:
|
|
# 'alert': str, # just sender, and text about direct message/mention
|
|
# 'message_ids': List[int], # always just one
|
|
return {
|
|
"alert": data["alert"],
|
|
"badge": 0,
|
|
"custom": {
|
|
"zulip": {
|
|
"message_ids": data["message_ids"],
|
|
},
|
|
},
|
|
}
|
|
else:
|
|
# Something already compatible with the current format.
|
|
# `alert` may be a string, or a dict with `title` and `body`.
|
|
# In 1.7.0 and 1.7.1, before 0912b5ba8 pre-1.8.0, the only
|
|
# item in `custom.zulip` is `message_ids`.
|
|
return data
|
|
|
|
|
|
APNS_MAX_RETRIES = 3
|
|
|
|
|
|
def send_apple_push_notification(
|
|
user_identity: UserPushIdentityCompat,
|
|
devices: Sequence[DeviceToken],
|
|
payload_data: Mapping[str, Any],
|
|
remote: Optional["RemoteZulipServer"] = None,
|
|
) -> int:
|
|
if not devices:
|
|
return 0
|
|
# We lazily do the APNS imports as part of optimizing Zulip's base
|
|
# import time; since these are only needed in the push
|
|
# notification queue worker, it's best to only import them in the
|
|
# code that needs them.
|
|
import aioapns
|
|
import aioapns.exceptions
|
|
|
|
apns_context = get_apns_context()
|
|
if apns_context is None:
|
|
logger.debug(
|
|
"APNs: Dropping a notification because nothing configured. "
|
|
"Set PUSH_NOTIFICATION_BOUNCER_URL (or APNS_CERT_FILE)."
|
|
)
|
|
return 0
|
|
|
|
if remote:
|
|
assert settings.ZILENCER_ENABLED
|
|
DeviceTokenClass: Type[AbstractPushDeviceToken] = RemotePushDeviceToken
|
|
else:
|
|
DeviceTokenClass = PushDeviceToken
|
|
|
|
if remote:
|
|
logger.info(
|
|
"APNs: Sending notification for remote user %s:%s to %d devices",
|
|
remote.uuid,
|
|
user_identity,
|
|
len(devices),
|
|
)
|
|
else:
|
|
logger.info(
|
|
"APNs: Sending notification for local user %s to %d devices",
|
|
user_identity,
|
|
len(devices),
|
|
)
|
|
payload_data = dict(modernize_apns_payload(payload_data))
|
|
message = {**payload_data.pop("custom", {}), "aps": payload_data}
|
|
|
|
have_missing_app_id = False
|
|
for device in devices:
|
|
if device.ios_app_id is None:
|
|
# This should be present for all APNs tokens, as an invariant maintained
|
|
# by the views that add the token to our database.
|
|
logger.error(
|
|
"APNs: Missing ios_app_id for user %s device %s", user_identity, device.token
|
|
)
|
|
have_missing_app_id = True
|
|
if have_missing_app_id:
|
|
devices = [device for device in devices if device.ios_app_id is not None]
|
|
|
|
async def send_all_notifications() -> (
|
|
Iterable[Tuple[DeviceToken, Union[aioapns.common.NotificationResult, BaseException]]]
|
|
):
|
|
requests = [
|
|
aioapns.NotificationRequest(
|
|
apns_topic=device.ios_app_id,
|
|
device_token=device.token,
|
|
message=message,
|
|
time_to_live=24 * 3600,
|
|
)
|
|
for device in devices
|
|
]
|
|
results = await asyncio.gather(
|
|
*(apns_context.apns.send_notification(request) for request in requests),
|
|
return_exceptions=True,
|
|
)
|
|
return zip(devices, results)
|
|
|
|
results = apns_context.loop.run_until_complete(send_all_notifications())
|
|
|
|
successfully_sent_count = 0
|
|
for device, result in results:
|
|
if isinstance(result, aioapns.exceptions.ConnectionError):
|
|
logger.error(
|
|
"APNs: ConnectionError sending for user %s to device %s; check certificate expiration",
|
|
user_identity,
|
|
device.token,
|
|
)
|
|
elif isinstance(result, BaseException):
|
|
logger.error(
|
|
"APNs: Error sending for user %s to device %s",
|
|
user_identity,
|
|
device.token,
|
|
exc_info=result,
|
|
)
|
|
elif result.is_successful:
|
|
successfully_sent_count += 1
|
|
logger.info(
|
|
"APNs: Success sending for user %s to device %s", user_identity, device.token
|
|
)
|
|
elif result.description in ["Unregistered", "BadDeviceToken", "DeviceTokenNotForTopic"]:
|
|
logger.info(
|
|
"APNs: Removing invalid/expired token %s (%s)", device.token, result.description
|
|
)
|
|
# We remove all entries for this token (There
|
|
# could be multiple for different Zulip servers).
|
|
DeviceTokenClass._default_manager.filter(
|
|
token=device.token, kind=DeviceTokenClass.APNS
|
|
).delete()
|
|
else:
|
|
logger.warning(
|
|
"APNs: Failed to send for user %s to device %s: %s",
|
|
user_identity,
|
|
device.token,
|
|
result.description,
|
|
)
|
|
|
|
return successfully_sent_count
|
|
|
|
|
|
#
|
|
# Sending to FCM, for Android
|
|
#
|
|
|
|
|
|
# Note: This is a timeout value per retry, not a total timeout.
|
|
FCM_REQUEST_TIMEOUT = 5
|
|
|
|
|
|
def make_fcm_app() -> FCMApp: # nocoverage
|
|
if settings.ANDROID_FCM_CREDENTIALS_PATH is None:
|
|
return None
|
|
|
|
fcm_credentials = firebase_credentials.Certificate(settings.ANDROID_FCM_CREDENTIALS_PATH)
|
|
fcm_app = firebase_initialize_app(
|
|
fcm_credentials, options=dict(httpTimeout=FCM_REQUEST_TIMEOUT)
|
|
)
|
|
|
|
return fcm_app
|
|
|
|
|
|
if settings.ANDROID_FCM_CREDENTIALS_PATH: # nocoverage
|
|
fcm_app = make_fcm_app()
|
|
else:
|
|
fcm_app = None
|
|
|
|
|
|
def has_fcm_credentials() -> bool: # nocoverage
|
|
return fcm_app is not None
|
|
|
|
|
|
# This is purely used in testing
|
|
def send_android_push_notification_to_user(
|
|
user_profile: UserProfile, data: Dict[str, Any], options: Dict[str, Any]
|
|
) -> None:
|
|
devices = list(PushDeviceToken.objects.filter(user=user_profile, kind=PushDeviceToken.FCM))
|
|
send_android_push_notification(
|
|
UserPushIdentityCompat(user_id=user_profile.id), devices, data, options
|
|
)
|
|
|
|
|
|
def parse_fcm_options(options: Dict[str, Any], data: Dict[str, Any]) -> str:
|
|
"""
|
|
Parse FCM options, supplying defaults, and raising an error if invalid.
|
|
|
|
The options permitted here form part of the Zulip notification
|
|
bouncer's API. They are:
|
|
|
|
`priority`: Passed through to FCM; see upstream doc linked below.
|
|
Zulip servers should always set this; when unset, we guess a value
|
|
based on the behavior of old server versions.
|
|
|
|
Including unrecognized options is an error.
|
|
|
|
For details on options' semantics, see this FCM upstream doc:
|
|
https://firebase.google.com/docs/cloud-messaging/android/message-priority
|
|
|
|
Returns `priority`.
|
|
"""
|
|
priority = options.pop("priority", None)
|
|
if priority is None:
|
|
# An older server. Identify if this seems to be an actual notification.
|
|
if data.get("event") == "message":
|
|
priority = "high"
|
|
else: # `'event': 'remove'`, presumably
|
|
priority = "normal"
|
|
if priority not in ("normal", "high"):
|
|
raise JsonableError(
|
|
_(
|
|
"Invalid GCM option to bouncer: priority {priority!r}",
|
|
).format(priority=priority)
|
|
)
|
|
|
|
if options:
|
|
# We're strict about the API; there is no use case for a newer Zulip
|
|
# server talking to an older bouncer, so we only need to provide
|
|
# one-way compatibility.
|
|
raise JsonableError(
|
|
_(
|
|
"Invalid GCM options to bouncer: {options}",
|
|
).format(options=orjson.dumps(options).decode())
|
|
)
|
|
|
|
return priority # when this grows a second option, can make it a tuple
|
|
|
|
|
|
def send_android_push_notification(
|
|
user_identity: UserPushIdentityCompat,
|
|
devices: Sequence[DeviceToken],
|
|
data: Dict[str, Any],
|
|
options: Dict[str, Any],
|
|
remote: Optional["RemoteZulipServer"] = None,
|
|
) -> int:
|
|
"""
|
|
Send a FCM message to the given devices.
|
|
|
|
See https://firebase.google.com/docs/cloud-messaging/http-server-ref
|
|
for the FCM upstream API which this talks to.
|
|
|
|
data: The JSON object (decoded) to send as the 'data' parameter of
|
|
the FCM message.
|
|
options: Additional options to control the FCM message sent.
|
|
For details, see `parse_fcm_options`.
|
|
"""
|
|
if not devices:
|
|
return 0
|
|
if not fcm_app:
|
|
logger.debug(
|
|
"Skipping sending a FCM push notification since "
|
|
"PUSH_NOTIFICATION_BOUNCER_URL and ANDROID_FCM_CREDENTIALS_PATH are both unset"
|
|
)
|
|
return 0
|
|
|
|
if remote:
|
|
logger.info(
|
|
"FCM: Sending notification for remote user %s:%s to %d devices",
|
|
remote.uuid,
|
|
user_identity,
|
|
len(devices),
|
|
)
|
|
else:
|
|
logger.info(
|
|
"FCM: Sending notification for local user %s to %d devices", user_identity, len(devices)
|
|
)
|
|
|
|
token_list = [device.token for device in devices]
|
|
priority = parse_fcm_options(options, data)
|
|
|
|
# The API requires all values to be strings. Our data dict is going to have
|
|
# things like an integer realm and user ids etc., so just convert everything
|
|
# like that.
|
|
data = {k: str(v) if not isinstance(v, str) else v for k, v in data.items()}
|
|
messages = [
|
|
firebase_messaging.Message(
|
|
data=data, token=token, android=firebase_messaging.AndroidConfig(priority=priority)
|
|
)
|
|
for token in token_list
|
|
]
|
|
|
|
try:
|
|
batch_response = firebase_messaging.send_each(messages, app=fcm_app)
|
|
except firebase_exceptions.FirebaseError:
|
|
logger.warning("Error while pushing to FCM", exc_info=True)
|
|
return 0
|
|
|
|
if remote:
|
|
assert settings.ZILENCER_ENABLED
|
|
DeviceTokenClass: Type[AbstractPushDeviceToken] = RemotePushDeviceToken
|
|
else:
|
|
DeviceTokenClass = PushDeviceToken
|
|
|
|
successfully_sent_count = 0
|
|
for idx, response in enumerate(batch_response.responses):
|
|
# We enumerate to have idx to track which token the response
|
|
# corresponds to. send_each() preserves the order of the messages,
|
|
# so this works.
|
|
|
|
token = token_list[idx]
|
|
if response.success:
|
|
successfully_sent_count += 1
|
|
logger.info("FCM: Sent message with ID: %s to %s", response.message_id, token)
|
|
else:
|
|
error = response.exception
|
|
if isinstance(error, FCMUnregisteredError):
|
|
logger.info("FCM: Removing %s due to %s", token, error.code)
|
|
|
|
# We remove all entries for this token (There
|
|
# could be multiple for different Zulip servers).
|
|
DeviceTokenClass._default_manager.filter(
|
|
token=token, kind=DeviceTokenClass.FCM
|
|
).delete()
|
|
else:
|
|
logger.warning("FCM: Delivery failed for %s: %s:%s", token, error.__class__, error)
|
|
|
|
return successfully_sent_count
|
|
|
|
|
|
#
|
|
# Sending to a bouncer
|
|
#
|
|
|
|
|
|
def uses_notification_bouncer() -> bool:
|
|
return settings.PUSH_NOTIFICATION_BOUNCER_URL is not None
|
|
|
|
|
|
def sends_notifications_directly() -> bool:
|
|
return has_apns_credentials() and has_fcm_credentials() and not uses_notification_bouncer()
|
|
|
|
|
|
def send_notifications_to_bouncer(
|
|
user_profile: UserProfile,
|
|
apns_payload: Dict[str, Any],
|
|
gcm_payload: Dict[str, Any],
|
|
gcm_options: Dict[str, Any],
|
|
android_devices: Sequence[DeviceToken],
|
|
apple_devices: Sequence[DeviceToken],
|
|
) -> None:
|
|
if len(android_devices) + len(apple_devices) == 0:
|
|
logger.info(
|
|
"Skipping contacting the bouncer for user %s because there are no registered devices",
|
|
user_profile.id,
|
|
)
|
|
|
|
return
|
|
|
|
post_data = {
|
|
"user_uuid": str(user_profile.uuid),
|
|
# user_uuid is the intended future format, but we also need to send user_id
|
|
# to avoid breaking old mobile registrations, which were made with user_id.
|
|
"user_id": user_profile.id,
|
|
"realm_uuid": str(user_profile.realm.uuid),
|
|
"apns_payload": apns_payload,
|
|
"gcm_payload": gcm_payload,
|
|
"gcm_options": gcm_options,
|
|
"android_devices": [device.token for device in android_devices],
|
|
"apple_devices": [device.token for device in apple_devices],
|
|
}
|
|
# Calls zilencer.views.remote_server_notify_push
|
|
|
|
try:
|
|
response_data = send_json_to_push_bouncer("POST", "push/notify", post_data)
|
|
except PushNotificationsDisallowedByBouncerError as e:
|
|
logger.warning("Bouncer refused to send push notification: %s", e.reason)
|
|
do_set_realm_property(
|
|
user_profile.realm,
|
|
"push_notifications_enabled",
|
|
False,
|
|
acting_user=None,
|
|
)
|
|
do_set_push_notifications_enabled_end_timestamp(user_profile.realm, None, acting_user=None)
|
|
return
|
|
|
|
assert isinstance(response_data["total_android_devices"], int)
|
|
assert isinstance(response_data["total_apple_devices"], int)
|
|
|
|
assert isinstance(response_data["deleted_devices"], dict)
|
|
assert isinstance(response_data["deleted_devices"]["android_devices"], list)
|
|
assert isinstance(response_data["deleted_devices"]["apple_devices"], list)
|
|
android_deleted_devices = response_data["deleted_devices"]["android_devices"]
|
|
apple_deleted_devices = response_data["deleted_devices"]["apple_devices"]
|
|
if android_deleted_devices or apple_deleted_devices:
|
|
logger.info(
|
|
"Deleting push tokens based on response from bouncer: Android: %s, Apple: %s",
|
|
sorted(android_deleted_devices),
|
|
sorted(apple_deleted_devices),
|
|
)
|
|
PushDeviceToken.objects.filter(
|
|
kind=PushDeviceToken.FCM, token__in=android_deleted_devices
|
|
).delete()
|
|
PushDeviceToken.objects.filter(
|
|
kind=PushDeviceToken.APNS, token__in=apple_deleted_devices
|
|
).delete()
|
|
|
|
total_android_devices, total_apple_devices = (
|
|
response_data["total_android_devices"],
|
|
response_data["total_apple_devices"],
|
|
)
|
|
do_increment_logging_stat(
|
|
user_profile.realm,
|
|
COUNT_STATS["mobile_pushes_sent::day"],
|
|
None,
|
|
timezone_now(),
|
|
increment=total_android_devices + total_apple_devices,
|
|
)
|
|
|
|
remote_realm_dict = response_data.get("realm")
|
|
if remote_realm_dict is not None:
|
|
# The server may have updated our understanding of whether
|
|
# push notifications will work.
|
|
assert isinstance(remote_realm_dict, dict)
|
|
can_push = remote_realm_dict["can_push"]
|
|
do_set_realm_property(
|
|
user_profile.realm,
|
|
"push_notifications_enabled",
|
|
can_push,
|
|
acting_user=None,
|
|
)
|
|
do_set_push_notifications_enabled_end_timestamp(
|
|
user_profile.realm, remote_realm_dict["expected_end_timestamp"], acting_user=None
|
|
)
|
|
if can_push:
|
|
record_push_notifications_recently_working()
|
|
|
|
logger.info(
|
|
"Sent mobile push notifications for user %s through bouncer: %s via FCM devices, %s via APNs devices",
|
|
user_profile.id,
|
|
total_android_devices,
|
|
total_apple_devices,
|
|
)
|
|
|
|
|
|
#
|
|
# Managing device tokens
|
|
#
|
|
|
|
|
|
def add_push_device_token(
|
|
user_profile: UserProfile, token_str: str, kind: int, ios_app_id: Optional[str] = None
|
|
) -> None:
|
|
logger.info(
|
|
"Registering push device: %d %r %d %r", user_profile.id, token_str, kind, ios_app_id
|
|
)
|
|
|
|
# Regardless of whether we're using the push notifications
|
|
# bouncer, we want to store a PushDeviceToken record locally.
|
|
# These can be used to discern whether the user has any mobile
|
|
# devices configured, and is also where we will store encryption
|
|
# keys for mobile push notifications.
|
|
PushDeviceToken.objects.bulk_create(
|
|
[
|
|
PushDeviceToken(
|
|
user_id=user_profile.id,
|
|
token=token_str,
|
|
kind=kind,
|
|
ios_app_id=ios_app_id,
|
|
# last_updated is to be renamed to date_created.
|
|
last_updated=timezone_now(),
|
|
),
|
|
],
|
|
ignore_conflicts=True,
|
|
)
|
|
|
|
if not uses_notification_bouncer():
|
|
return
|
|
|
|
# If we're sending things to the push notification bouncer
|
|
# register this user with them here
|
|
post_data = {
|
|
"server_uuid": settings.ZULIP_ORG_ID,
|
|
"user_uuid": str(user_profile.uuid),
|
|
"realm_uuid": str(user_profile.realm.uuid),
|
|
# user_id is sent so that the bouncer can delete any pre-existing registrations
|
|
# for this user+device to avoid duplication upon adding the uuid registration.
|
|
"user_id": str(user_profile.id),
|
|
"token": token_str,
|
|
"token_kind": kind,
|
|
}
|
|
|
|
if kind == PushDeviceToken.APNS:
|
|
post_data["ios_app_id"] = ios_app_id
|
|
|
|
logger.info("Sending new push device to bouncer: %r", post_data)
|
|
# Calls zilencer.views.register_remote_push_device
|
|
send_to_push_bouncer("POST", "push/register", post_data)
|
|
|
|
|
|
def remove_push_device_token(user_profile: UserProfile, token_str: str, kind: int) -> None:
|
|
try:
|
|
token = PushDeviceToken.objects.get(token=token_str, kind=kind, user=user_profile)
|
|
token.delete()
|
|
except PushDeviceToken.DoesNotExist:
|
|
# If we are using bouncer, don't raise the exception. It will
|
|
# be raised by the code below eventually. This is important
|
|
# during the transition period after upgrading to a version
|
|
# that stores local PushDeviceToken objects even when using
|
|
# the push notifications bouncer.
|
|
if not uses_notification_bouncer():
|
|
raise JsonableError(_("Token does not exist"))
|
|
|
|
# If we're sending things to the push notification bouncer
|
|
# unregister this user with them here
|
|
if uses_notification_bouncer():
|
|
# TODO: Make this a remove item
|
|
post_data = {
|
|
"server_uuid": settings.ZULIP_ORG_ID,
|
|
"realm_uuid": str(user_profile.realm.uuid),
|
|
# We don't know here if the token was registered with uuid
|
|
# or using the legacy id format, so we need to send both.
|
|
"user_uuid": str(user_profile.uuid),
|
|
"user_id": user_profile.id,
|
|
"token": token_str,
|
|
"token_kind": kind,
|
|
}
|
|
# Calls zilencer.views.unregister_remote_push_device
|
|
send_to_push_bouncer("POST", "push/unregister", post_data)
|
|
|
|
|
|
def clear_push_device_tokens(user_profile_id: int) -> None:
|
|
# Deletes all of a user's PushDeviceTokens.
|
|
if uses_notification_bouncer():
|
|
user_profile = get_user_profile_by_id(user_profile_id)
|
|
user_uuid = str(user_profile.uuid)
|
|
post_data = {
|
|
"server_uuid": settings.ZULIP_ORG_ID,
|
|
"realm_uuid": str(user_profile.realm.uuid),
|
|
# We want to clear all registered token, and they may have
|
|
# been registered with either uuid or id.
|
|
"user_uuid": user_uuid,
|
|
"user_id": user_profile_id,
|
|
}
|
|
send_to_push_bouncer("POST", "push/unregister/all", post_data)
|
|
return
|
|
|
|
PushDeviceToken.objects.filter(user_id=user_profile_id).delete()
|
|
|
|
|
|
#
|
|
# Push notifications in general
|
|
#
|
|
|
|
|
|
def push_notifications_configured() -> bool:
|
|
"""True just if this server has configured a way to send push notifications."""
|
|
if (
|
|
uses_notification_bouncer()
|
|
and settings.ZULIP_ORG_KEY is not None
|
|
and settings.ZULIP_ORG_ID is not None
|
|
): # nocoverage
|
|
# We have the needed configuration to send push notifications through
|
|
# the bouncer. Better yet would be to confirm that this config actually
|
|
# works -- e.g., that we have ever successfully sent to the bouncer --
|
|
# but this is a good start.
|
|
return True
|
|
if settings.DEVELOPMENT and (has_apns_credentials() or has_fcm_credentials()): # nocoverage
|
|
# Since much of the notifications logic is platform-specific, the mobile
|
|
# developers often work on just one platform at a time, so we should
|
|
# only require one to be configured.
|
|
return True
|
|
elif has_apns_credentials() and has_fcm_credentials(): # nocoverage
|
|
# We have the needed configuration to send through APNs and FCM directly
|
|
# (i.e., we are the bouncer, presumably.) Again, assume it actually works.
|
|
return True
|
|
return False
|
|
|
|
|
|
def initialize_push_notifications() -> None:
|
|
"""Called during startup of the push notifications worker to check
|
|
whether we expect mobile push notifications to work on this server
|
|
and update state accordingly.
|
|
"""
|
|
|
|
if sends_notifications_directly():
|
|
# This server sends push notifications directly. Make sure we
|
|
# are set to report to clients that push notifications are
|
|
# enabled.
|
|
for realm in Realm.objects.filter(push_notifications_enabled=False):
|
|
do_set_realm_property(realm, "push_notifications_enabled", True, acting_user=None)
|
|
do_set_push_notifications_enabled_end_timestamp(realm, None, acting_user=None)
|
|
return
|
|
|
|
if not push_notifications_configured():
|
|
for realm in Realm.objects.filter(push_notifications_enabled=True):
|
|
do_set_realm_property(realm, "push_notifications_enabled", False, acting_user=None)
|
|
do_set_push_notifications_enabled_end_timestamp(realm, None, acting_user=None)
|
|
if settings.DEVELOPMENT and not settings.TEST_SUITE:
|
|
# Avoid unnecessary spam on development environment startup
|
|
return # nocoverage
|
|
logger.warning(
|
|
"Mobile push notifications are not configured.\n "
|
|
"See https://zulip.readthedocs.io/en/latest/"
|
|
"production/mobile-push-notifications.html"
|
|
)
|
|
return
|
|
|
|
if uses_notification_bouncer():
|
|
# If we're using the notification bouncer, check if we can
|
|
# actually send push notifications, and update our
|
|
# understanding of that state for each realm accordingly.
|
|
send_server_data_to_push_bouncer(consider_usage_statistics=False)
|
|
return
|
|
|
|
logger.warning( # nocoverage
|
|
"Mobile push notifications are not fully configured.\n "
|
|
"See https://zulip.readthedocs.io/en/latest/production/mobile-push-notifications.html"
|
|
)
|
|
for realm in Realm.objects.filter(push_notifications_enabled=True): # nocoverage
|
|
do_set_realm_property(realm, "push_notifications_enabled", False, acting_user=None)
|
|
do_set_push_notifications_enabled_end_timestamp(realm, None, acting_user=None)
|
|
|
|
|
|
def get_mobile_push_content(rendered_content: str) -> str:
|
|
def get_text(elem: lxml.html.HtmlElement) -> str:
|
|
# Convert default emojis to their Unicode equivalent.
|
|
classes = elem.get("class", "")
|
|
if "emoji" in classes:
|
|
match = re.search(r"emoji-(?P<emoji_code>\S+)", classes)
|
|
if match:
|
|
emoji_code = match.group("emoji_code")
|
|
return hex_codepoint_to_emoji(emoji_code)
|
|
# Handles realm emojis, avatars etc.
|
|
if elem.tag == "img":
|
|
return elem.get("alt", "")
|
|
if elem.tag == "blockquote":
|
|
return "" # To avoid empty line before quote text
|
|
return elem.text or ""
|
|
|
|
def format_as_quote(quote_text: str) -> str:
|
|
return "".join(
|
|
f"> {line}\n"
|
|
for line in quote_text.splitlines()
|
|
if line # Remove empty lines
|
|
)
|
|
|
|
def render_olist(ol: lxml.html.HtmlElement) -> str:
|
|
items = []
|
|
counter = int(ol.get("start")) if ol.get("start") else 1
|
|
nested_levels = sum(1 for ancestor in ol.iterancestors("ol"))
|
|
indent = ("\n" + " " * nested_levels) if nested_levels else ""
|
|
|
|
for li in ol:
|
|
items.append(indent + str(counter) + ". " + process(li).strip())
|
|
counter += 1
|
|
|
|
return "\n".join(items)
|
|
|
|
def render_spoiler(elem: lxml.html.HtmlElement) -> str:
|
|
header = elem.find_class("spoiler-header")[0]
|
|
text = process(header).strip()
|
|
if len(text) == 0:
|
|
return "(…)\n"
|
|
return f"{text} (…)\n"
|
|
|
|
def process(elem: lxml.html.HtmlElement) -> str:
|
|
plain_text = ""
|
|
if elem.tag == "ol":
|
|
plain_text = render_olist(elem)
|
|
elif "spoiler-block" in elem.get("class", ""):
|
|
plain_text += render_spoiler(elem)
|
|
else:
|
|
plain_text = get_text(elem)
|
|
sub_text = ""
|
|
for child in elem:
|
|
sub_text += process(child)
|
|
if elem.tag == "blockquote":
|
|
sub_text = format_as_quote(sub_text)
|
|
plain_text += sub_text
|
|
plain_text += elem.tail or ""
|
|
return plain_text
|
|
|
|
def is_user_said_paragraph(element: lxml.html.HtmlElement) -> bool:
|
|
# The user said paragraph has these exact elements:
|
|
# 1. A user mention
|
|
# 2. A same server message link ("said")
|
|
# 3. A colon (:)
|
|
user_mention_elements = element.find_class("user-mention")
|
|
if len(user_mention_elements) != 1:
|
|
return False
|
|
|
|
message_link_elements = []
|
|
anchor_elements = element.cssselect("a[href]")
|
|
for elem in anchor_elements:
|
|
href = elem.get("href")
|
|
if is_same_server_message_link(href):
|
|
message_link_elements.append(elem)
|
|
|
|
if len(message_link_elements) != 1:
|
|
return False
|
|
|
|
remaining_text = (
|
|
element.text_content()
|
|
.replace(user_mention_elements[0].text_content(), "")
|
|
.replace(message_link_elements[0].text_content(), "")
|
|
)
|
|
return remaining_text.strip() == ":"
|
|
|
|
def get_collapsible_status_array(elements: List[lxml.html.HtmlElement]) -> List[bool]:
|
|
collapsible_status: List[bool] = [
|
|
element.tag == "blockquote" or is_user_said_paragraph(element) for element in elements
|
|
]
|
|
return collapsible_status
|
|
|
|
def potentially_collapse_quotes(element: lxml.html.HtmlElement) -> None:
|
|
children = element.getchildren()
|
|
collapsible_status = get_collapsible_status_array(children)
|
|
|
|
if all(collapsible_status) or all(not x for x in collapsible_status):
|
|
return
|
|
|
|
collapse_element = lxml.html.Element("p")
|
|
collapse_element.text = "[…]"
|
|
for index, child in enumerate(children):
|
|
if collapsible_status[index]:
|
|
if index > 0 and collapsible_status[index - 1]:
|
|
child.drop_tree()
|
|
else:
|
|
child.getparent().replace(child, collapse_element)
|
|
|
|
if settings.PUSH_NOTIFICATION_REDACT_CONTENT:
|
|
return _("New message")
|
|
|
|
elem = lxml.html.fragment_fromstring(rendered_content, create_parent=True)
|
|
change_katex_to_raw_latex(elem)
|
|
potentially_collapse_quotes(elem)
|
|
plain_text = process(elem)
|
|
return plain_text
|
|
|
|
|
|
def truncate_content(content: str) -> Tuple[str, bool]:
|
|
# We use Unicode character 'HORIZONTAL ELLIPSIS' (U+2026) instead
|
|
# of three dots as this saves two extra characters for textual
|
|
# content. This function will need to be updated to handle Unicode
|
|
# combining characters and tags when we start supporting themself.
|
|
if len(content) <= 200:
|
|
return content, False
|
|
return content[:200] + "…", True
|
|
|
|
|
|
def get_base_payload(user_profile: UserProfile) -> Dict[str, Any]:
|
|
"""Common fields for all notification payloads."""
|
|
data: Dict[str, Any] = {}
|
|
|
|
# These will let the app support logging into multiple realms and servers.
|
|
data["server"] = settings.EXTERNAL_HOST
|
|
data["realm_id"] = user_profile.realm.id
|
|
data["realm_uri"] = user_profile.realm.url
|
|
data["realm_url"] = user_profile.realm.url
|
|
data["realm_name"] = user_profile.realm.name
|
|
data["user_id"] = user_profile.id
|
|
|
|
return data
|
|
|
|
|
|
def get_message_payload(
|
|
user_profile: UserProfile,
|
|
message: Message,
|
|
mentioned_user_group_id: Optional[int] = None,
|
|
mentioned_user_group_name: Optional[str] = None,
|
|
can_access_sender: bool = True,
|
|
) -> Dict[str, Any]:
|
|
"""Common fields for `message` payloads, for all platforms."""
|
|
data = get_base_payload(user_profile)
|
|
|
|
# `sender_id` is preferred, but some existing versions use `sender_email`.
|
|
data["sender_id"] = message.sender.id
|
|
if not can_access_sender:
|
|
# A guest user can only receive a stream message from an
|
|
# inaccessible user as we allow unsubscribed users to send
|
|
# messages to streams. For direct messages, the guest gains
|
|
# access to the user if they where previously inaccessible.
|
|
data["sender_email"] = Address(
|
|
username=f"user{message.sender.id}", domain=get_fake_email_domain(message.realm.host)
|
|
).addr_spec
|
|
else:
|
|
data["sender_email"] = message.sender.email
|
|
|
|
data["time"] = datetime_to_timestamp(message.date_sent)
|
|
if mentioned_user_group_id is not None:
|
|
assert mentioned_user_group_name is not None
|
|
data["mentioned_user_group_id"] = mentioned_user_group_id
|
|
data["mentioned_user_group_name"] = mentioned_user_group_name
|
|
|
|
if message.recipient.type == Recipient.STREAM:
|
|
data["recipient_type"] = "stream"
|
|
data["stream"] = get_message_stream_name_from_database(message)
|
|
data["stream_id"] = message.recipient.type_id
|
|
data["topic"] = message.topic_name()
|
|
elif message.recipient.type == Recipient.DIRECT_MESSAGE_GROUP:
|
|
data["recipient_type"] = "private"
|
|
data["pm_users"] = direct_message_group_users(message.recipient.id)
|
|
else: # Recipient.PERSONAL
|
|
data["recipient_type"] = "private"
|
|
|
|
return data
|
|
|
|
|
|
def get_apns_alert_title(message: Message) -> str:
|
|
"""
|
|
On an iOS notification, this is the first bolded line.
|
|
"""
|
|
if message.recipient.type == Recipient.DIRECT_MESSAGE_GROUP:
|
|
recipients = get_display_recipient(message.recipient)
|
|
assert isinstance(recipients, list)
|
|
return ", ".join(sorted(r["full_name"] for r in recipients))
|
|
elif message.is_stream_message():
|
|
stream_name = get_message_stream_name_from_database(message)
|
|
return f"#{stream_name} > {message.topic_name()}"
|
|
# For 1:1 direct messages, we just show the sender name.
|
|
return message.sender.full_name
|
|
|
|
|
|
def get_apns_alert_subtitle(
|
|
message: Message,
|
|
trigger: str,
|
|
user_profile: UserProfile,
|
|
mentioned_user_group_name: Optional[str] = None,
|
|
can_access_sender: bool = True,
|
|
) -> str:
|
|
"""
|
|
On an iOS notification, this is the second bolded line.
|
|
"""
|
|
sender_name = message.sender.full_name
|
|
if not can_access_sender:
|
|
# A guest user can only receive a stream message from an
|
|
# inaccessible user as we allow unsubscribed users to send
|
|
# messages to streams. For direct messages, the guest gains
|
|
# access to the user if they where previously inaccessible.
|
|
sender_name = str(UserProfile.INACCESSIBLE_USER_NAME)
|
|
|
|
if trigger == NotificationTriggers.MENTION:
|
|
if mentioned_user_group_name is not None:
|
|
return _("{full_name} mentioned @{user_group_name}:").format(
|
|
full_name=sender_name, user_group_name=mentioned_user_group_name
|
|
)
|
|
else:
|
|
return _("{full_name} mentioned you:").format(full_name=sender_name)
|
|
elif trigger in (
|
|
NotificationTriggers.TOPIC_WILDCARD_MENTION_IN_FOLLOWED_TOPIC,
|
|
NotificationTriggers.STREAM_WILDCARD_MENTION_IN_FOLLOWED_TOPIC,
|
|
NotificationTriggers.TOPIC_WILDCARD_MENTION,
|
|
NotificationTriggers.STREAM_WILDCARD_MENTION,
|
|
):
|
|
return _("{full_name} mentioned everyone:").format(full_name=sender_name)
|
|
elif message.recipient.type == Recipient.PERSONAL:
|
|
return ""
|
|
# For group direct messages, or regular messages to a stream,
|
|
# just use a colon to indicate this is the sender.
|
|
return sender_name + ":"
|
|
|
|
|
|
def get_apns_badge_count(
|
|
user_profile: UserProfile, read_messages_ids: Optional[Sequence[int]] = []
|
|
) -> int:
|
|
# NOTE: We have temporarily set get_apns_badge_count to always
|
|
# return 0 until we can debug a likely mobile app side issue with
|
|
# handling notifications while the app is open.
|
|
return 0
|
|
|
|
|
|
def get_apns_badge_count_future(
|
|
user_profile: UserProfile, read_messages_ids: Optional[Sequence[int]] = []
|
|
) -> int:
|
|
# Future implementation of get_apns_badge_count; unused but
|
|
# we expect to use this once we resolve client-side bugs.
|
|
return (
|
|
UserMessage.objects.filter(user_profile=user_profile)
|
|
.extra(where=[UserMessage.where_active_push_notification()]) # noqa: S610
|
|
.exclude(
|
|
# If we've just marked some messages as read, they're still
|
|
# marked as having active notifications; we'll clear that flag
|
|
# only after we've sent that update to the devices. So we need
|
|
# to exclude them explicitly from the count.
|
|
message_id__in=read_messages_ids
|
|
)
|
|
.count()
|
|
)
|
|
|
|
|
|
def get_message_payload_apns(
|
|
user_profile: UserProfile,
|
|
message: Message,
|
|
trigger: str,
|
|
mentioned_user_group_id: Optional[int] = None,
|
|
mentioned_user_group_name: Optional[str] = None,
|
|
can_access_sender: bool = True,
|
|
) -> Dict[str, Any]:
|
|
"""A `message` payload for iOS, via APNs."""
|
|
zulip_data = get_message_payload(
|
|
user_profile, message, mentioned_user_group_id, mentioned_user_group_name, can_access_sender
|
|
)
|
|
zulip_data.update(
|
|
message_ids=[message.id],
|
|
)
|
|
|
|
assert message.rendered_content is not None
|
|
with override_language(user_profile.default_language):
|
|
content, _ = truncate_content(get_mobile_push_content(message.rendered_content))
|
|
apns_data = {
|
|
"alert": {
|
|
"title": get_apns_alert_title(message),
|
|
"subtitle": get_apns_alert_subtitle(
|
|
message, trigger, user_profile, mentioned_user_group_name, can_access_sender
|
|
),
|
|
"body": content,
|
|
},
|
|
"sound": "default",
|
|
"badge": get_apns_badge_count(user_profile),
|
|
"custom": {"zulip": zulip_data},
|
|
}
|
|
return apns_data
|
|
|
|
|
|
def get_message_payload_gcm(
|
|
user_profile: UserProfile,
|
|
message: Message,
|
|
mentioned_user_group_id: Optional[int] = None,
|
|
mentioned_user_group_name: Optional[str] = None,
|
|
can_access_sender: bool = True,
|
|
) -> Tuple[Dict[str, Any], Dict[str, Any]]:
|
|
"""A `message` payload + options, for Android via FCM."""
|
|
data = get_message_payload(
|
|
user_profile, message, mentioned_user_group_id, mentioned_user_group_name, can_access_sender
|
|
)
|
|
|
|
if not can_access_sender:
|
|
# A guest user can only receive a stream message from an
|
|
# inaccessible user as we allow unsubscribed users to send
|
|
# messages to streams. For direct messages, the guest gains
|
|
# access to the user if they where previously inaccessible.
|
|
sender_avatar_url = get_avatar_for_inaccessible_user()
|
|
sender_name = str(UserProfile.INACCESSIBLE_USER_NAME)
|
|
else:
|
|
sender_avatar_url = absolute_avatar_url(message.sender)
|
|
sender_name = message.sender.full_name
|
|
|
|
assert message.rendered_content is not None
|
|
with override_language(user_profile.default_language):
|
|
content, truncated = truncate_content(get_mobile_push_content(message.rendered_content))
|
|
data.update(
|
|
event="message",
|
|
zulip_message_id=message.id, # message_id is reserved for CCS
|
|
content=content,
|
|
content_truncated=truncated,
|
|
sender_full_name=sender_name,
|
|
sender_avatar_url=sender_avatar_url,
|
|
)
|
|
gcm_options = {"priority": "high"}
|
|
return data, gcm_options
|
|
|
|
|
|
def get_remove_payload_gcm(
|
|
user_profile: UserProfile,
|
|
message_ids: List[int],
|
|
) -> Tuple[Dict[str, Any], Dict[str, Any]]:
|
|
"""A `remove` payload + options, for Android via FCM."""
|
|
gcm_payload = get_base_payload(user_profile)
|
|
gcm_payload.update(
|
|
event="remove",
|
|
zulip_message_ids=",".join(str(id) for id in message_ids),
|
|
# Older clients (all clients older than 2019-02-13) look only at
|
|
# `zulip_message_id` and ignore `zulip_message_ids`. Do our best.
|
|
zulip_message_id=message_ids[0],
|
|
)
|
|
gcm_options = {"priority": "normal"}
|
|
return gcm_payload, gcm_options
|
|
|
|
|
|
def get_remove_payload_apns(user_profile: UserProfile, message_ids: List[int]) -> Dict[str, Any]:
|
|
zulip_data = get_base_payload(user_profile)
|
|
zulip_data.update(
|
|
event="remove",
|
|
zulip_message_ids=",".join(str(id) for id in message_ids),
|
|
)
|
|
apns_data = {
|
|
"badge": get_apns_badge_count(user_profile, message_ids),
|
|
"custom": {"zulip": zulip_data},
|
|
}
|
|
return apns_data
|
|
|
|
|
|
def handle_remove_push_notification(user_profile_id: int, message_ids: List[int]) -> None:
|
|
"""This should be called when a message that previously had a
|
|
mobile push notification executed is read. This triggers a push to the
|
|
mobile app, when the message is read on the server, to remove the
|
|
message from the notification.
|
|
"""
|
|
if not push_notifications_configured():
|
|
return
|
|
|
|
user_profile = get_user_profile_by_id(user_profile_id)
|
|
|
|
# We may no longer have access to the message here; for example,
|
|
# the user (1) got a message, (2) read the message in the web UI,
|
|
# and then (3) it was deleted. When trying to send the push
|
|
# notification for (2), after (3) has happened, there is no
|
|
# message to fetch -- but we nonetheless want to remove the mobile
|
|
# notification. Because of this, verification of access to
|
|
# the messages is skipped here.
|
|
# Because of this, no access to the Message objects should be
|
|
# done; they are treated as a list of opaque ints.
|
|
|
|
# APNs has a 4KB limit on the maximum size of messages, which
|
|
# translated to several hundred message IDs in one of these
|
|
# notifications. In rare cases, it's possible for someone to mark
|
|
# thousands of push notification eligible messages as read at
|
|
# once. We could handle this situation with a loop, but we choose
|
|
# to truncate instead to avoid extra network traffic, because it's
|
|
# very likely the user has manually cleared the notifications in
|
|
# their mobile device's UI anyway.
|
|
#
|
|
# When truncating, we keep only the newest N messages in this
|
|
# remove event. This is optimal because older messages are the
|
|
# ones most likely to have already been manually cleared at some
|
|
# point in the past.
|
|
#
|
|
# We choose 200 here because a 10-digit message ID plus a comma and
|
|
# space consume 12 bytes, and 12 x 200 = 2400 bytes is still well
|
|
# below the 4KB limit (leaving plenty of space for metadata).
|
|
MAX_APNS_MESSAGE_IDS = 200
|
|
truncated_message_ids = sorted(message_ids)[-MAX_APNS_MESSAGE_IDS:]
|
|
gcm_payload, gcm_options = get_remove_payload_gcm(user_profile, truncated_message_ids)
|
|
apns_payload = get_remove_payload_apns(user_profile, truncated_message_ids)
|
|
|
|
android_devices = list(
|
|
PushDeviceToken.objects.filter(user=user_profile, kind=PushDeviceToken.FCM).order_by("id")
|
|
)
|
|
apple_devices = list(
|
|
PushDeviceToken.objects.filter(user=user_profile, kind=PushDeviceToken.APNS).order_by("id")
|
|
)
|
|
if uses_notification_bouncer():
|
|
send_notifications_to_bouncer(
|
|
user_profile, apns_payload, gcm_payload, gcm_options, android_devices, apple_devices
|
|
)
|
|
else:
|
|
user_identity = UserPushIdentityCompat(user_id=user_profile_id)
|
|
|
|
android_successfully_sent_count = send_android_push_notification(
|
|
user_identity, android_devices, gcm_payload, gcm_options
|
|
)
|
|
apple_successfully_sent_count = send_apple_push_notification(
|
|
user_identity, apple_devices, apns_payload
|
|
)
|
|
|
|
do_increment_logging_stat(
|
|
user_profile.realm,
|
|
COUNT_STATS["mobile_pushes_sent::day"],
|
|
None,
|
|
timezone_now(),
|
|
increment=android_successfully_sent_count + apple_successfully_sent_count,
|
|
)
|
|
|
|
# We intentionally use the non-truncated message_ids here. We are
|
|
# assuming in this very rare case that the user has manually
|
|
# dismissed these notifications on the device side, and the server
|
|
# should no longer track them as outstanding notifications.
|
|
with transaction.atomic(savepoint=False):
|
|
UserMessage.select_for_update_query().filter(
|
|
user_profile_id=user_profile_id,
|
|
message_id__in=message_ids,
|
|
).update(flags=F("flags").bitand(~UserMessage.flags.active_mobile_push_notification))
|
|
|
|
|
|
def handle_push_notification(user_profile_id: int, missed_message: Dict[str, Any]) -> None:
|
|
"""
|
|
missed_message is the event received by the
|
|
zerver.worker.missedmessage_mobile_notifications.PushNotificationWorker.consume function.
|
|
"""
|
|
if not push_notifications_configured():
|
|
return
|
|
user_profile = get_user_profile_by_id(user_profile_id)
|
|
|
|
if user_profile.is_bot: # nocoverage
|
|
# We don't expect to reach here for bot users. However, this code exists
|
|
# to find and throw away any pre-existing events in the queue while
|
|
# upgrading from versions before our notifiability logic was implemented.
|
|
# TODO/compatibility: This block can be removed when one can no longer
|
|
# upgrade from versions <= 4.0 to versions >= 5.0
|
|
logger.warning(
|
|
"Send-push-notification event found for bot user %s. Skipping.", user_profile_id
|
|
)
|
|
return
|
|
|
|
if not (
|
|
user_profile.enable_offline_push_notifications
|
|
or user_profile.enable_online_push_notifications
|
|
):
|
|
# BUG: Investigate why it's possible to get here.
|
|
return # nocoverage
|
|
|
|
with transaction.atomic(savepoint=False):
|
|
try:
|
|
(message, user_message) = access_message_and_usermessage(
|
|
user_profile, missed_message["message_id"], lock_message=True
|
|
)
|
|
except JsonableError:
|
|
if ArchivedMessage.objects.filter(id=missed_message["message_id"]).exists():
|
|
# If the cause is a race with the message being deleted,
|
|
# that's normal and we have no need to log an error.
|
|
return
|
|
logging.info(
|
|
"Unexpected message access failure handling push notifications: %s %s",
|
|
user_profile.id,
|
|
missed_message["message_id"],
|
|
)
|
|
return
|
|
|
|
if user_message is not None:
|
|
# If the user has read the message already, don't push-notify.
|
|
if user_message.flags.read or user_message.flags.active_mobile_push_notification:
|
|
return
|
|
|
|
# Otherwise, we mark the message as having an active mobile
|
|
# push notification, so that we can send revocation messages
|
|
# later.
|
|
user_message.flags.active_mobile_push_notification = True
|
|
user_message.save(update_fields=["flags"])
|
|
else:
|
|
# Users should only be getting push notifications into this
|
|
# queue for messages they haven't received if they're
|
|
# long-term idle; anything else is likely a bug.
|
|
if not user_profile.long_term_idle:
|
|
logger.error(
|
|
"Could not find UserMessage with message_id %s and user_id %s",
|
|
missed_message["message_id"],
|
|
user_profile_id,
|
|
exc_info=True,
|
|
)
|
|
return
|
|
|
|
trigger = missed_message["trigger"]
|
|
|
|
# TODO/compatibility: Translation code for the rename of
|
|
# `wildcard_mentioned` to `stream_wildcard_mentioned`.
|
|
# Remove this when one can no longer directly upgrade from 7.x to main.
|
|
if trigger == "wildcard_mentioned":
|
|
trigger = NotificationTriggers.STREAM_WILDCARD_MENTION # nocoverage
|
|
|
|
# TODO/compatibility: Translation code for the rename of
|
|
# `followed_topic_wildcard_mentioned` to `stream_wildcard_mentioned_in_followed_topic`.
|
|
# Remove this when one can no longer directly upgrade from 7.x to main.
|
|
if trigger == "followed_topic_wildcard_mentioned":
|
|
trigger = NotificationTriggers.STREAM_WILDCARD_MENTION_IN_FOLLOWED_TOPIC # nocoverage
|
|
|
|
# TODO/compatibility: Translation code for the rename of
|
|
# `private_message` to `direct_message`. Remove this when
|
|
# one can no longer directly upgrade from 7.x to main.
|
|
if trigger == "private_message":
|
|
trigger = NotificationTriggers.DIRECT_MESSAGE # nocoverage
|
|
|
|
# mentioned_user_group will be None if the user is personally mentioned
|
|
# regardless whether they are a member of the mentioned user group in the
|
|
# message or not.
|
|
mentioned_user_group_id = None
|
|
mentioned_user_group_name = None
|
|
mentioned_user_group_members_count = None
|
|
mentioned_user_group = get_mentioned_user_group([missed_message], user_profile)
|
|
if mentioned_user_group is not None:
|
|
mentioned_user_group_id = mentioned_user_group.id
|
|
mentioned_user_group_name = mentioned_user_group.name
|
|
mentioned_user_group_members_count = mentioned_user_group.members_count
|
|
|
|
# Soft reactivate if pushing to a long_term_idle user that is personally mentioned
|
|
soft_reactivate_if_personal_notification(
|
|
user_profile, {trigger}, mentioned_user_group_members_count
|
|
)
|
|
|
|
if message.is_stream_message():
|
|
# This will almost always be True. The corner case where you
|
|
# can be receiving a message from a user you cannot access
|
|
# involves your being a guest user whose access is restricted
|
|
# by a can_access_all_users_group policy, and you can't access
|
|
# the sender because they are sending a message to a public
|
|
# stream that you are subscribed to but they are not.
|
|
|
|
can_access_sender = check_can_access_user(message.sender, user_profile)
|
|
else:
|
|
# For private messages, the recipient will gain access
|
|
# to the sender if they did not had access previously.
|
|
can_access_sender = True
|
|
|
|
apns_payload = get_message_payload_apns(
|
|
user_profile,
|
|
message,
|
|
trigger,
|
|
mentioned_user_group_id,
|
|
mentioned_user_group_name,
|
|
can_access_sender,
|
|
)
|
|
gcm_payload, gcm_options = get_message_payload_gcm(
|
|
user_profile, message, mentioned_user_group_id, mentioned_user_group_name, can_access_sender
|
|
)
|
|
logger.info("Sending push notifications to mobile clients for user %s", user_profile_id)
|
|
|
|
android_devices = list(
|
|
PushDeviceToken.objects.filter(user=user_profile, kind=PushDeviceToken.FCM).order_by("id")
|
|
)
|
|
|
|
apple_devices = list(
|
|
PushDeviceToken.objects.filter(user=user_profile, kind=PushDeviceToken.APNS).order_by("id")
|
|
)
|
|
if uses_notification_bouncer():
|
|
send_notifications_to_bouncer(
|
|
user_profile, apns_payload, gcm_payload, gcm_options, android_devices, apple_devices
|
|
)
|
|
return
|
|
|
|
logger.info(
|
|
"Sending mobile push notifications for local user %s: %s via FCM devices, %s via APNs devices",
|
|
user_profile_id,
|
|
len(android_devices),
|
|
len(apple_devices),
|
|
)
|
|
user_identity = UserPushIdentityCompat(user_id=user_profile.id)
|
|
|
|
apple_successfully_sent_count = send_apple_push_notification(
|
|
user_identity, apple_devices, apns_payload
|
|
)
|
|
android_successfully_sent_count = send_android_push_notification(
|
|
user_identity, android_devices, gcm_payload, gcm_options
|
|
)
|
|
|
|
do_increment_logging_stat(
|
|
user_profile.realm,
|
|
COUNT_STATS["mobile_pushes_sent::day"],
|
|
None,
|
|
timezone_now(),
|
|
increment=apple_successfully_sent_count + android_successfully_sent_count,
|
|
)
|
|
|
|
|
|
def send_test_push_notification_directly_to_devices(
|
|
user_identity: UserPushIdentityCompat,
|
|
devices: Sequence[DeviceToken],
|
|
base_payload: Dict[str, Any],
|
|
remote: Optional["RemoteZulipServer"] = None,
|
|
) -> None:
|
|
payload = copy.deepcopy(base_payload)
|
|
payload["event"] = "test"
|
|
|
|
apple_devices = [device for device in devices if device.kind == PushDeviceToken.APNS]
|
|
android_devices = [device for device in devices if device.kind == PushDeviceToken.FCM]
|
|
# Let's make the payloads separate objects to make sure mutating to make e.g. Android
|
|
# adjustments doesn't affect the Apple payload and vice versa.
|
|
apple_payload = copy.deepcopy(payload)
|
|
android_payload = copy.deepcopy(payload)
|
|
|
|
# TODO/compatibility: Backwards-compatibility name for realm_url.
|
|
realm_url = base_payload.get("realm_url", base_payload["realm_uri"])
|
|
realm_name = base_payload["realm_name"]
|
|
apns_data = {
|
|
"alert": {
|
|
"title": _("Test notification"),
|
|
"body": _("This is a test notification from {realm_name} ({realm_url}).").format(
|
|
realm_name=realm_name, realm_url=realm_url
|
|
),
|
|
},
|
|
"sound": "default",
|
|
"custom": {"zulip": apple_payload},
|
|
}
|
|
send_apple_push_notification(user_identity, apple_devices, apns_data, remote=remote)
|
|
|
|
android_payload["time"] = datetime_to_timestamp(timezone_now())
|
|
gcm_options = {"priority": "high"}
|
|
send_android_push_notification(
|
|
user_identity, android_devices, android_payload, gcm_options, remote=remote
|
|
)
|
|
|
|
|
|
def send_test_push_notification(user_profile: UserProfile, devices: List[PushDeviceToken]) -> None:
|
|
base_payload = get_base_payload(user_profile)
|
|
if uses_notification_bouncer():
|
|
for device in devices:
|
|
post_data = {
|
|
"realm_uuid": str(user_profile.realm.uuid),
|
|
"user_uuid": str(user_profile.uuid),
|
|
"user_id": user_profile.id,
|
|
"token": device.token,
|
|
"token_kind": device.kind,
|
|
"base_payload": base_payload,
|
|
}
|
|
|
|
logger.info("Sending test push notification to bouncer: %r", post_data)
|
|
send_json_to_push_bouncer("POST", "push/test_notification", post_data)
|
|
|
|
return
|
|
|
|
# This server doesn't need the bouncer, so we send directly to the device.
|
|
user_identity = UserPushIdentityCompat(
|
|
user_id=user_profile.id, user_uuid=str(user_profile.uuid)
|
|
)
|
|
send_test_push_notification_directly_to_devices(
|
|
user_identity, devices, base_payload, remote=None
|
|
)
|
|
|
|
|
|
class InvalidPushDeviceTokenError(JsonableError):
|
|
code = ErrorCode.INVALID_PUSH_DEVICE_TOKEN
|
|
|
|
def __init__(self) -> None:
|
|
pass
|
|
|
|
@staticmethod
|
|
@override
|
|
def msg_format() -> str:
|
|
return _("Device not recognized")
|
|
|
|
|
|
class InvalidRemotePushDeviceTokenError(JsonableError):
|
|
code = ErrorCode.INVALID_REMOTE_PUSH_DEVICE_TOKEN
|
|
|
|
def __init__(self) -> None:
|
|
pass
|
|
|
|
@staticmethod
|
|
@override
|
|
def msg_format() -> str:
|
|
return _("Device not recognized by the push bouncer")
|
|
|
|
|
|
class PushNotificationsDisallowedByBouncerError(Exception):
|
|
def __init__(self, reason: str) -> None:
|
|
self.reason = reason
|